Building construction



July 15, 1941. LBAUMGARTL i BUILDING CONSTRUCTIONy 2 Sheets-Sheet 14Filed July 11,- 1940 Je o n i L BAUMGARTI. BUILDING CONSTRUCTION July15, 1941.v

Filed July 11, 1940 2 sheets-sheet 'z Patented Juiy 15, 1941 UNET'ED'STATES PAT NT FFICE.

' 2,249,106 v BUILDING ooNs'ra'Uo'rioN i Leroy aumgaru, chicago, ni.Application-July 11, 1940, serial No. 3443857. "15 claims. (o1. 10s-13)vMy invention relates to building-construction, and has particularreference 'to a roof construction of the flat deck type, although thesameconstruction may be used for Walls or sides of buildings, ifdesired.

The primary object of the invention `is the` provision 'of a' buildingstructure'of substantially pre-fabricated form which can be installed inunit construction to provide a `roof or wall construction protecting thebuilding against various elements such as wind, rain, V'snow Vand thelike, and serving the purpose 'of' the usual enclosure for a building.

Another and further object of my invention is the provision of abuilding structure which is so constructed that it may expand whenbecoming heated, as when exposed to the sunsrayS,

or contract dueto cold weather, and yet remain weatherand water-proofunder all normal weather conditions Another and further 'object is the-provision ofi a building structure which is exible within limitsV andwhich will yield toa lcertain extent to the action of the wind or theup-'currents of air underneath a roof or to down-current's'dueto unusualdisturbed atmospheric conditions, andV yet will retain the necessarystrength 'to perform Vits functions 'without weakening 'to any materialdegree.

Aiurther object of my invention', particularly i when used as a roofstructure, 'is that it is suinciehtlystrong to withstand 'ordinary'weight such as that of an individual walking upon it, and which innormal use will give long years` of service, particularly if thevuppersurface is kept -panhaving material. such as 'fibreboelrd masticmaterial or fibrous insulating mate-rial in plastic form', or the like,permanently secured or afnxed to the under side thereof so the underside of Vthe Ametal pans is protected from condensation,

rust and the like,A vand an insulating or sounddeadening effect issecured, these units being prepared so they can easily and quickly befitted into position duringthe construction of a roof. TheseV andother'objects of imy invention will be more ence to Which- Figureembodying my invention, showing the unit in the successive stages ofinstallation;

'Figure 2 is 'a cross-sectional -view on line 2--2 ofFigure 1; l Figure3 is a longitudinal viewpart-ially in section and partially in elevationYofvfone of the capi members;

the accompanying drawings,V and `in Figure 4 is a perspective View ofone of the corner cap members used in the structure; Y

Figure 5 is a channel-shaped star member used for anchoring the supportand transverse `members together Vat the corners;

-1-1 of Figure 1.

Referring 'now specically to the drawings,

land in which like reference Vcharactersreier to likerparts throughout,the usualpurlin VI!! is shown, a plurality -of which are used inspacedparallel relation.' Witheach other, upon which is placed parallelextending'spaced support members designated asV ay whole asl-I, `I-|,"these members extending;transversely voi `the purlin lil. Thesesupport members Il, H are "in the preferred vforrn composed of a channelsection t2 having'ilanges 13,13 extending from each side thereof, withangular 'disposed webs i4, 'lilv connecting the flanges and-"the body ofthe channel fsecti'on I2.

provided having its base 4portions angularly dis- A U-shaped channelsection `I5 'is posed to lit in parallel relation against the webs M,14' of the ychannel section I2, andvis 'spotwelded or otherwise securedto the 'channel sec- `tio'n 12 so that in'ef'iect the sectionsr Ilan-d'l5 maybe `considered as an integral member "for practicalA purposes ofconstruction. The' "sections I5 have ahge portions I6, IG extendingoutwardlyffr'om the upper edges 'thereof for purposes' which will ybehereinafterdescribed.

f The support members IL' YH lare placed "in telescopic-end VtoY endrelation with each other, aslshown particularly in-Figure Y6, with astruckout portion l1 being fashioned out of the-botf tom wall 'ofthemember i2 and bent at'right angles thereto, so that it abuts kagainstthe purlin' lli. The end ofthe corresponding supportY member Il, whichis slightly reduced 'in fully andl better understood 'by refer- -1 is aplan View of a complete unitV l size to fit into telescopic relationwith the end of the adjacent member II, has the bottom wall I8 of thesection I2 bent upwardly a slight distance so that a locking member I9is provided which is fitted into the upturned portion I8 of one of thesections I2, with one end 20 turned around the bottom wall at the end ofthe member I2, and the opposite end 2I of the locking member I9 is bentdownward around the purlin III, so that when the longitudinal supportmembers II are placed in position they are held against bothlongitudinal and vertical movement upon the purlin I0.

Transverse U-shaped channel members 22 are provided which are placed inspaced relation With each other and extend at their ends-substantiallyup to the side walls of the members I5, I5. Connecting members 23 areprovided which have four-way extensions such as 24, 25, 26 and 2'I. Theextensions 24 and V26 are formed of the same cross-sectional shape asthe members I and of sumcient size to fitV inside these Y members, whilethe extensions 25 and 2'I are being adapted to cover an area Aenclosedby adjacent pairs of support members `I I, II andthe transverse members22, 22. 'I'he pans 28fhave downwardly turned'flanges 29 around theirentire outer periphery, with horizontally turned edge portions 30, 30provided so that the edge contour of the pans is substantially ofZ-form. In use, the horizontal portion 30 of theY edge of the pan may beomitted, as I may find that the cup members hereinafter described willbesuicient without relying upon these edges to form bases upon which thecup members engage vas hereinafter described. Extending transversely ofthe pans 28 on the under side thereof are spaced angles 34, 34terminating short of the edges of the pans to aiord the necessaryrigidity to the pans to prevent their bending or cuppingin service andto assist the pans 28 in sustaining weight placed upon them, such as maybe 'necessary due to workmen or others walking across the top of theroof during its construction or for purposes of servicing and the like.The pans may have ribs rolled therein to alford sufficient rigidity, ifdesired, instead of using the angles 34, 34. l

Fibreboards 31, 31 are cemented or otherwise aiiixed to the under sideof the pans 28, being of Vsuch length that their ends fit snugly againstthe flange 28 at eachV side of the pan, and preferably of sufficientthickness so as to re'stV on the flanges I3, I3 of the section II. Theseboards 3'I are of proper width to be'tted between the angles 34, and areattached to the underside of the pans in the shop prior to being placedin position on a roof, so that these boards become a part of the roong'unit ready'to' be installed when the supporting frame is completed.Y'They provide protection against condensation onY the under side of theroof, heat and cold insulation and also possess sound deadeningqualities, Yall of which is desirable in roofs of this character.

Other materials may be used if desired, such as plastic compounds ofvarious kinds, to perform the function described above.

Fitted to the longitudinal sections I5 and the transverse channels 22and extending over the edges of the pans 28, are lcap strips 3l, 3l,these cap strips having inverted U-shaped members 32, 32 spot-welded tothe under sides thereof. Holes extend through these cap strips 3l andthrough the members 32 in register withv each other, so that bolts 33,33 may be placed in the channel sections I5 and the channel members 22,and extend upwardly therefrom to hold the cap strips 3l in position whenthe structure is assembled.

A corner cap member 35 is provided having extensions extending in fourdirections from the center thereof, and which is adapted to overlap theends of the cap members at the corners and the ends of the supportmembers II and transverse members I2 at their ends also. These capmembers are held inY position by the bolts 33, 33 which pass through theends of the longitudinal support members" I5, I5 and the transversemembers 22, and also through the extensions of the corner channelsections 24, through the ends of the cap' strips 3I and through openingsin the extensions of the members 34. Thus when the members areassembled'and the bolts placed in position, the whole structure is heldtogether in a unitary structure by means ofl these bolts 33, the bolts33 also holding the cap strips 3I in position at the ends.

In assembling the combination, the longitudinal members II are placed inposition' and secured to the -purlins I!) and then the corner sections24 are placed in position so that at this stage of the assembling thestructure is in the condition shown at the upper right-hand vcorner ofFigure 1. The bolts 33 at the corner positions may be inserted and thenthe open sided longitudinal sections I5 'and the transverse sections 22.also the connecting members 23, 'lled with any prepared roong mastic 36,these channel sections and connecting members 23 beingsubstantially lledwith this mastic. The pans 28 are then placed in position, with theedges of the pans extending into the mastic inthe-open ichannels, sothat in eiect the edges of the 'pans-28 around their entire peripheryare seale'din the mastic, preventing Vwater from flowing into the opensides 4of the channels and preserving the portions of the metal withwhich it comes in contact. f i

The cap strips 3| are then placed inposition over the longitudinalmembers and the transverse channels, with the U-shaped membersprojecting downward into these channel sections and preferably restingupon the; horizontaledges of the pans, sothatas the nuts on the bolts 33are tightened the pans are placed under tension, thus serving to drawthe pans taut and hold them rmly in position in service. The cap members34 are thereupon placed in position as shown at the Vleft end of thefigures, so that the-ends of these -members overlap the ends of the capstrips 3l. Nuts are tightened upon the end Ibolts 33 so thatthe cap`strips are firmly held in position, and then theentire surface iscoated with a masticor roofing paint, as may be desired, so that thesurface of themetal is protectedl from rust and other actions of air'and'Water coming in contact withit. v Y In following the installation itwill be understood that Ithe parts hereinabove described arepre-fabricated and that the initial lst eps comprise 'thellaying of theVlongitudinal vsupport 4members and putting the transverse members intoshape, andthat'this can be followed by the other steps hereinabovedescribed, so that the installation of a roof can be very easily andquicklyaccomplished. Y

While I have described more vor less. Vprecisely the details ofconstruction, Ido not wish Vto be understood as limiting myselftheretdas Iy contemplate changes in form and the proportion of parts andthe substitution-of. equivalents as Vcircumstances may suggest or renderexpedient vwithout departing from the lspirit or scope fof my invention.

What is claimed is:

'1.-Building -construction comprising, in 'combination, parallelyopen-sided supportmembers, transverse open-sided members in spacedrelatransverse open-sided members in spaced relation with each othersecured at their ends to the support members, pans Yhaving angulardisposed side and end edges extending into the channels in the supportand transverse members, cap strips overlying the edges of the pans andspanning the open sides of the support members, and

means whereby the cap strips are secured to the support and transversemembers.

3. Building construction comprising, in combination, parallel open-sidedsupport members, transverse open-sided members in spaced relation witheach other secured at their ends to the support members, pans havingangular disposed side and end edges extending into the channels in thesupport and transverse members, and means whereby the pans are clampedto the support and transverse members whereby the pans are free toexpand and contract because of varying weather conditions.

4. Building construction comprising, in combination, parallel open-sidedsupport members,

transverse open-sided members in spaced relation with each other securedat their ends to the support members, pans spanning the space betweeneach adjacent pair of support members and each pair of transversemembers, means whereby the pans are frictionally secured to the supportand transverse members, and means whereby said support members aresecured to the purlins of a building.

5. A roof construction comprising, in combination, parallel extendingchannel support memftion andV into the ends ofV each adjacent transfverse, member, pans having kangularly disposedY "sideand end edgesmounted upon said channel Y sections aridlsaidtransverse channelKmembers,

`bination, parallel open-sided support members, v

30 "channel 'sections 'joining -the transverse channel capstripsrsecured'to the. said support'and transverse .sections,fand masticfilling in the said channel support members and the transverse members.

'TLA roof Vstructure comprising, in combina- -Y-tion, a 'plurality Aofspacedrsupport members 'composed of `'channel sections placed in end to'end' i relation vwith veach other, spaced 'transverse `channel members,channel star sections extendi'ngfintothe vends of each adjacent channelsection fand.,` into the ends o'f each adjacent'trans-` verse m'e'mber,pans having angularly disposed sideand "end :edges` mounted upon saidchannel sections andsaid transverse channel members,

cap-'stripssecured'to the said support and transverse sectionsoverlapping the edges of the said pans, mastic filling in the vsaidchannel support membersandthe transverse members, and cor- Y'nerf''star'cap members overlapping the ends of each adjacent pair of lcap strips.

'1?8. SAS roof .structure comprising,` in combinatieni, a plurality ofspaced parallel extending ,supporti membersl composed of channelsections 4in', telescopic end to end relation Awith each othenspacedtransverse `channel members, star membersr and the 'support members,pans having angular disposed edges supported .bysaid support andtransverse members having their edges extending into the channels insaid members, cap strips secured to said support and transverse membersoverlapping the peripheral edge of the said pans, corner cap membersoverlying the star channel sections and the ends of the cap strips, anda mastic filling for the support members and the transverse members.

9. A roof structure comprising, in combination, a plurality ofspaced'parallel extending support members composed ofchannel sections intelescopic end to end relation with each other, spaced transversechannel members, star channel sections. joining the transverse channelmembers and the support members, pans having angular disposed edgessupported by said support and transverse members having their edgesextending into the channels in said members, cap strips:V

secured to said support and transverse members overlapping theperipheral edge of the said pans, corner cap members overlying the starchannel vsections and the ends of the cap strips, a mas-tic Y versemembers, a mastic filling for said supportV and transverse channelsections into-V whichthe edgesl of the pans extend, cap stripsoverlapping Y the edges of the said pans secured to the said support andtransverse members, and corner cap sections overlying the adjacent endsof the capVV strips. Y

11. A roof structure comprising parallelV ex` tending spaced channelsupport members, trans-,- verse channel members securedY to,v saidsupport members at their ends, a mastic in the channels of said supportand transverse members, pans having angularly disposed side and endedges adapted to rest upon said supportand transverse members, the saidpans having a layer of material on the underside thereof, and meanswhereby the said pans are held in engagement with the said support andtransverse members.

12. A roof structure comprising parallel extending spaced channelsupport members, transverse channel members secured to said supportmembers at their ends, a mastic in the channels of said support andtransverseY members, pans .having angularly disposed side Iand end edgesadapted to rest upon said support and transverse members, the said panshaving a llayer of material cemented to and covering substantially theentire under surface thereof, and means whereby the said pans are heldin engagement with the `said support and transverse members.

13. A roof structure comprising, in combination a plurality of parallelextending spaced channel sections, transverse spaced channel sectionssecured at their ends to the rst mentioned channel sections, pansspanning the'spacebetween each adjacent channel section havingdownturned edges extending into said channels, cap members overlappingthe edges of each adjacent pan', and bolts carried by said channelmembers extending throughrsaid cap members whereby the said cap -membersare held in clamped position over the edges of -the said pans. Y

14. A roof structure comprising, in combination a plurality of parallelextending spaced channel sections, transverse spaced channel sectionssecured at their ends to the rst mentioned channel sections, pansspanning the space betweenl Ycured at their ends to the rst mentionedchannel sections, pans spanning the space between each adjacent channelsection having downturned edges extending into said channels, capmembers overlapping the edges of each adjacent pan, bolts carried bysaid channel members extending through said cap members whereby the saidcap members are held in clampedvposition over the edges of the saidpans, and a mastic composition in said channel sections substantiallylling said channel sections and into which the downturned edges of thepans project.

LEROY BAUMGAR'IL.

